15-X=2+X

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Solution for 15-X=2+X equation:


Simplifying
15 + -1X = 2 + X

Solving
15 + -1X = 2 + X

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-1X' to each side of the equation.
15 + -1X + -1X = 2 + X + -1X

Combine like terms: -1X + -1X = -2X
15 + -2X = 2 + X + -1X

Combine like terms: X + -1X = 0
15 + -2X = 2 + 0
15 + -2X = 2

Add '-15' to each side of the equation.
15 + -15 + -2X = 2 + -15

Combine like terms: 15 + -15 = 0
0 + -2X = 2 + -15
-2X = 2 + -15

Combine like terms: 2 + -15 = -13
-2X = -13

Divide each side by '-2'.
X = 6.5

Simplifying
X = 6.5

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